As I correctly noted, the objective, demographic reality is that the Democratic Party attracts a far greater racial diversity, more women, and more college-educated and younger Americans than the Republican one.
Obviously, you cannot contrive any credible source that contests that.
What does the 2020 electorate look like politically, demographically and religiously as the race enters its final days?
www.pewresearch.org
More than eight-in-ten Republican voters in 2022 (85%) were White, non-Hispanic.
Seven-in-ten Republican voters were 50 and older in the most recent election
A majority of Republican voters in 2022 had no college degree (63%)
College-educated women (65%) were much more likely than college-educated men (48%) to identify as Democrats in 2018 and 2019.